Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands	6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010
OPERATING ACTIVITIES:
Net income	$ 46,847	$ 35,747
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	12,311	14,398
Amortization of intangibles	3,195	2,505
Stock-based compensation	3,040	2,780
Non-cash inventory charge (see note 3)	3,678
Excess tax benefit on stock-based compensation	(3,685)	(688)
(Gain) on sale of assets	(100)	(323)
Changes in operating assets and liabilities:
Accounts receivable	(18,886)	(30,785)
Inventories	(1,475)	(9,180)
Accounts payable	5,851	4,936
Accrued expenses (including post-retirement)	581	(5,354)
Accrued payroll and severance	(7,437)	(1,715)
Accrued taxes	2,888	11,439
Prepaid expenses and other	(739)	2,376
Net cash provided by in operating activities	46,069	26,136
INVESTING ACTIVITIES:
Purchases of property, plant, and equipment	(10,559)	(7,155)
Business acquisition settlement	50
Proceeds from sale of assets	253	4,714
Net cash (used in) investing activities	(10,256)	(2,441)
FINANCING ACTIVITIES:
Proceeds from debt	85,000	6,845
Payments of term debt	(49,000)	(4,000)
Payments of revolving credit facility	(40,000)	(11,206)
Debt issuance costs	(716)
Cash dividends paid	(6,613)
Proceeds from exercise of stock options	20,673	7,482
Excess tax benefit on stock-based compensation	3,685	688
Net cash provided by (used in) financing activities.	13,029	(191)
Effect of exchange rate changes on cash and cash equivalents	5,362	(6,176)
Increase in cash and cash equivalents	54,204	17,328
Cash and cash equivalents at beginning of period	109,720	70,354
Cash and cash equivalents at end of period	$ 163,924	$ 87,682